Workbook workbook = Workbook.getWorkbook(new File("myfile.xls")); (NOTE: when creating a spreadsheet from a ServletInputStream you must remove the HTTP header information before creating the Workbook object.) Once you have accessed the workbook, you
java操作pdf文档,将pdf转化为图片 public void Pdf_Png(int pageNumber ) { int pagen= pageNumber; File file = new File("D:/test.pdf"); PDFFile pdffile=null; // set up the PDF reading try{ RandomAccessFile raf = new RandomAccessFile(file, "r"); FileChannel channel
